
<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card cl ass="box-card">
      <el-row :gutter="20">
        <el-col :span="12">
          <!-- 搜索与添加区域 -->
          <el-input placeholder="请输入内容" v-model="paramInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table border stripe :data="userlist" style="width: 100%">
        <!-- 索引列 -->
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="username" label="姓名" width="180"></el-table-column>
        <el-table-column prop="email" label="邮箱" width="180"></el-table-column>
        <el-table-column prop="mobile" label="电话" width="180"></el-table-column>
        <el-table-column prop="role_name" label="角色" width="180"></el-table-column>
        <el-table-column label="状态" width="180">
          <!-- 作用域插槽 -->
          <template slot-scope="scope">
            <!-- scope.row就是当前行的对应数据 active-color="#409EFF" inactive-color="#ff4949"-->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180">
          <template slot-scope="scope">
            <!-- scope.row就是当前行的对应数据-->
            <!-- 修改按钮 -->
            <el-tooltip effect="dark" content="修改" placement="top-start" :enterable="false">
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 删除按钮 -->
            <el-tooltip effect="dark" content="删除" placement="top-start" :enterable="false">
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 分配角色按钮 -->
            <!-- 后面补充吧 -->
            <el-tooltip effect="dark" content="分配角色" placement="top-start" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="paramInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="paramInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>

    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="30%"
      :before-close="addDialogClosed"
    >
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile" width="100">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog
      title="编辑用户"
      :visible.sync="editDialogVisible"
      width="30%"
      :before-close="editDialogClosed"
    >
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username" disabled>
          <el-input v-model="editForm.username"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile" width="100">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>
          分配新角色：
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    //   验证邮箱的规则
    var checkEmail = (rule, value, callback) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        return callback()
      } else {
        return callback(new Error('请输入合法的邮箱'))
      }
    }
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return callback()
      } else {
        return callback(new Error('请输入正确的手机号'))
      }
    }
    return {
      paramInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userlist: [],
      total: 0,
      //  控制添加用户对话框显示和隐藏
      addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在3-10之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在6-15之间', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          //   { min: 3, max: 10, message: '长度在3-10之间', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          { min: 11, max: 11, message: '长度为11位', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },

      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          { min: 11, max: 11, message: '长度为11位', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },

      setRoleDialogVisible: false,
      //   需要被分配角色的用户信息
      userInfo: {},
      //   所有角色列表
      rolesList: [],
      //   分配到的角色的id
      selectRoleId: ''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.paramInfo
      })
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(this.userlist)
    },
    // 监听分页pageSize改变的事件
    handleSizeChange(newSize) {
      console.log(newSize)
      this.paramInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPageNum) {
      this.paramInfo.pagenum = newPageNum
      this.getUserList()
    },
    // 监听switch开关状态的改变
    async userStateChanged(userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新失败')
      }
      return this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
      this.addDialogVisible = false
    },
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) {
          return 0
        }
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 200) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }

      this.editForm = res.data
      this.editDialogVisible = true
    },
    editUser() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) {
          return 0
        }
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )
        if (res.meta.status !== 200) {
          this.$message.error('修改用户信息失败！')
        }
        this.$message.success('修改用户信息成功！')
        // 隐藏编辑用户的对话框
        this.editDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
      this.editDialogVisible = false
    },
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }

      this.$message.success('删除用户成功！')
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 获取角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 保存用户的角色
    async saveRoleInfo() {
      if (!this.selectRoleId) {
        return this.$message.error('请选择角色')
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectRoleId
        }
      )
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }
      this.$message.success('更新角色失败！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed() {
      this.setRoleDialogVisible = false
      this.userInfo = {}
    }
  }
}
</script>
<style lang="less" scoped>
.el-breadcrumb {
  margin-bottom: 15px;
  font-size: 12px;
}
.el-card {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.15) !important;
}
.el-table {
  margin-top: 15px;
  font-size: 12px;
}
.el-pagination {
  margin-top: 15px;
}
</style>
